CVE-2008-2061: Cisco Unified Communications Manager

High severity, CVSS 7.8. EPSS: 2.5% chance of exploitation in the next 30 days.

The Computer Telephony Integration (CTI) Manager service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3c) and 6.x before 6.1(2) allows remote attackers to cause a denial of service (TSP crash) via malformed network traffic to TCP port 2748.

Affected products

• Cisco Unified Communications Manager: from 5.0, before 5.1\(3c\) (fixed in 5.1\(3c\)); from 6.0, before 6.1\(2\) (fixed in 6.1\(2\))

Published 2008-06-26. Last modified 2026-06-16.